$OpenBSD: patch-modules_afsocket_transport-unix-socket_c,v 1.2 2017/06/08 18:19:37 steven Exp $
--- modules/afsocket/transport-unix-socket.c.orig	Wed Dec 21 15:57:44 2016
+++ modules/afsocket/transport-unix-socket.c	Sun Feb  5 23:51:05 2017
@@ -30,6 +30,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/socket.h>
+#include <sys/uio.h>
 #include <fcntl.h>
 #include <errno.h>
 #include <unistd.h>
